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Commit 197d32af authored by Harry Yang's avatar Harry Yang
Browse files

power: smb5-lib: exclusive typec mode operation 



In USB Type-C mode, TRY_SINK/TRY_SRC and SRC_ONLY/SNK_ONLY are
mutually exlusive. To make force sink/src operation successful,
clear both TRY_SINK and TRY_SRC settings beforehand, and restore
the settings after switching back to DRP mode.

Change-Id: I7d2b7ea8ed41baef37ec2289ec7c43159cba9a55
Signed-off-by: default avatarHarry Yang <harryy@codeaurora.org>
parent 6148ddd3

drivers/power/supply/qcom/qpnp-smb5.c

+2 −0
Original line number Diff line number Diff line
@@ -1563,6 +1563,8 @@ static int smb5_configure_typec(struct smb_charger *chg) 
		dev_err(chg->dev,

			"Couldn't enable try.snk rc=%d\n", rc);

		return rc;

	} else {

		chg->typec_try_mode |= EN_TRY_SNK_BIT;

	}



	/* configure VCONN for software control */

drivers/power/supply/qcom/smb5-lib.c

+3 −2
Original line number Diff line number Diff line
@@ -2729,7 +2729,7 @@ int smblib_set_prop_typec_power_role(struct smb_charger *chg, 
		power_role = TYPEC_DISABLE_CMD_BIT;

		break;

	case POWER_SUPPLY_TYPEC_PR_DUAL:

		power_role = 0;

		power_role = chg->typec_try_mode;

		break;

	case POWER_SUPPLY_TYPEC_PR_SINK:

		power_role = EN_SNK_ONLY_BIT;
@@ -2743,7 +2743,8 @@ int smblib_set_prop_typec_power_role(struct smb_charger *chg, 
	}



	rc = smblib_masked_write(chg, TYPE_C_MODE_CFG_REG,

				 TYPEC_POWER_ROLE_CMD_MASK, power_role);

				TYPEC_POWER_ROLE_CMD_MASK | TYPEC_TRY_MODE_MASK,

				power_role);

	if (rc < 0) {

		smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n",

			power_role, rc);

drivers/power/supply/qcom/smb5-lib.h

+1 −0
Original line number Diff line number Diff line
@@ -375,6 +375,7 @@ struct smb_charger { 
	bool			jeita_configured;

	int			charger_temp_max;

	int			smb_temp_max;

	u8			typec_try_mode;



	/* workaround flag */

	u32			wa_flags;

drivers/power/supply/qcom/smb5-reg.h

+3 −1
Original line number Diff line number Diff line
@@ -322,8 +322,10 @@ enum { 
#define U_USB_GROUND_BIT			BIT(4)



#define TYPE_C_MODE_CFG_REG			(TYPEC_BASE + 0x44)

#define TYPEC_POWER_ROLE_CMD_MASK		GENMASK(2, 1)

#define TYPEC_TRY_MODE_MASK			GENMASK(4, 3)

#define EN_TRY_SNK_BIT				BIT(4)

#define EN_TRY_SRC_BIT				BIT(3)

#define TYPEC_POWER_ROLE_CMD_MASK		GENMASK(2, 0)

#define EN_SRC_ONLY_BIT				BIT(2)

#define EN_SNK_ONLY_BIT				BIT(1)

#define TYPEC_DISABLE_CMD_BIT			BIT(0)